Button



(No Model.)

I'. F. HEILBORN.

BUTTON.

Patented Mar. 17, 1891.

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UNITED STATES PATENT OFFICE.A

FRANCIS F. HEILBORN, OF PLAINVILLE, MASSACHUSETTS.

BUTTON.

SPECIFICATION forming part of Letters Patent No. 448,428, dated March17, 1891. u Application i'lled February 20, 1889. Serial No. 300,588.(No model.)

To @ZZ whom zt may concern.'

Be it known that I, FRANCIS F. HEILBORN, a subject of the Emperor ofGermany, anda resident of Plainville, in the county of Norfolk and Stateof Massachusetts, have invented a new and useful Improvement in Buttons,of which the following is a specification.

My invention relates to that class of bu ttons in which the shoe ishinged to the post; and it consists in the improved construction andarrangement of the parts, as hereinafterfully set forth.

Figure 1 represents an elevation of the button with the arms of the shoeopened to their locking position. Fig. 2 represents the same with thearms of the shoe closed to their proper position for insertion into thebuttonhole. Fig. 3 represents an under side View ofthe button with theshoe in the position Fig. 4 represents a section taken in the line @c a:of Fig. 3, with the shoe closed. as in Fig. 2. Fig. 5 represents asection taken in the line y y of Fig. 3, with the shoe closed, as inFig. 2. Fig. 6 shows the form of the sheet-metal blanks for making theshoe.

In the accompanying drawings, A is the head of the button; B, the hollowpost, which is made in rectangular form and attached to the head Aat thesides a a, and provided with an opening b at the sides c c to receivethe flat spring d, the said spring being arranged to act against thesliding piece e, which rests upon the spring and looselyts the hollow ofthe post B and is provided at its upper end with a flat bearing-tace,which serves to hold the two loop-arms O and C of the shoe in' theirproper set position. The loop-arms C and C are each first ont from sheetmetal in the form shown in Fig. 6, and are then bent to the form shownin Fig. 3, the loop C being made small enough to pass Within the loopC', as shown in Fig. 4. The arms C and C are each provided with angularen dsf, through the perforations g in which the pivot h is made to pass,and the fiat bearing-face ot the sliding piece e, which will be pressedby the flat spring d iirmly against the straight edges 1I t' andy' ofthe loops, according to the position in which they are placed, Willserve to hold them properly7 in position.

I claim as my invention- In a button', the combination, withthe head Aand the attached hollow post B, provided with the openings b (Lof thespring CZ, sliding piece e, and the unequal loops C C', pivoted to thepost B, one Within the other, and provided with the angularends f,adapted to bear against the end of the piece e, substantially asdescribed.

FRANCIS F. HEILBORN.

Witnesses:

FRED. B. BYEAM, JAMES H. SHANNON.

